Table 5.
Regional distribution of pre-ablation surface area percentages
| LA wall region | All patients (mean ± SD) | Standard PVI group (mean ± SD) | MRI-guided fibrosis ablation (mean ± SD) | P value |
|---|---|---|---|---|
| Anterior wall | 17.71 ± 2.53 | 17.8 ± 2.61 | 17.60 ± 2.61 | 0.411 |
| Posterior wall | 20.71 ± 3.50 | 20.61 ± 3.45 | 20.82 ± 3.54 | 0.432 |
| Lateral wall | 9.09 ± 2.21 | 9.11 ± 2.26 | 9.08 ± 2.17 | 0.861 |
| Septal wall | 12.04 ± 1.83 | 12.07 ± 1.82 | 12.01 ± 1.84 | 0.703 |
| Right pulmonary vein antrum | 17.05 ± 4.56 | 16.97 ± 4.65 | 17.13 ± 4.47 | 0.628 |
| Left pulmonary vein antrum | 10.74 ± 2.38 | 10.73 ± 2.47 | 10.75 ± 2.29 | 0.910 |
| LAA ostium | 12.69 ± 2.92 | 12.76 ± 3.10 | 12.61 ± 2.73 | 0.510 |